///
/// Copyright (c) 2019 Sensus Slovensko a.s.
///
using System;
using System.Drawing;
using log4net;
using TBF.Boxes;
using TBF.Resources;

namespace TBF.Rig.Modbus.QuidoRS
{
    public class ShowBenchWaitingOp : IOperation
    {
        private static readonly ILog log = LogManager.GetLogger(typeof(ShowBenchWaitingOp));
        public override string ToString() { return string.Format("ShowBenchWaitingOp(.)"); }

        const ushort BenchReadyValue = 0x01;
        const ushort BenchWaitingValue = 0x06;
        const ushort BenchConfirmedValue = 0x02;

        /// Set by the constructor
        readonly QuidoRS quidoRS;



        bool confirmed = false;
        /// 
        ConfirmationForm confirmationForm;
        /// 
        delegate void MessageBoxFormDlgt(ShowBenchWaitingOp myRef);
        /// 
        void OpenFormDlg(ShowBenchWaitingOp myRef)
        {
            myRef.confirmationForm = new ConfirmationForm(Strings.Mute_alarm, Color.Yellow);
            confirmationForm.Show();
        }



        /// <summary>
        /// Events:  Event.None
        /// </summary>
        /// <param name="quidoRS">Pressure meter reference</param>
        public ShowBenchWaitingOp(QuidoRS quidoRS)
        {
            if (quidoRS == null) throw new ArgumentNullException("quidoRS");
            this.quidoRS = quidoRS;
            log.Debug(this.ToString());
        }

        /// <summary>Start this operation</summary>
        public void Start()
        {
            log.WarnFormat("ShowBenchWaitingOp.Start()");
            quidoRS.SetOutputs(BenchWaitingValue);
            confirmed = false;
            Program.MainWnd.Invoke(new MessageBoxFormDlgt(OpenFormDlg), this);
        }

        /// <summary>Run this operation</summary>
        public Event Run()
        {
            if (confirmed || confirmationForm.Completed)
            {
                log.WarnFormat("ShowBenchWaitingOp.Run() --> Confirmed");
                quidoRS.SetOutputs(BenchConfirmedValue);

                confirmed = true;
                confirmationForm = null;
            }

            return Event.None;
        }

        /// <summary>Stop this operation</summary>
        public void Stop()
        {
            log.WarnFormat("ShowBenchWaitingOp.Stop()");
            quidoRS.SetOutputs(BenchReadyValue);

            if (confirmationForm != null)
            {
                confirmationForm.OnCloseThisForm(this, null);
                confirmationForm = null;
            }
        }
    }
}